DA8xx: MUSB platform device registration

Add the function to register the MUSB platform device.
Additional compile warning fixes by Sekhar Nori.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/include/mach/da8xx.h

@@ -80,6 +80,7 @@ void __init da850_init(void);
 int da8xx_register_edma(void);
 int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
 int da8xx_register_watchdog(void);
+int da8xx_register_usb20(unsigned mA, unsigned potpgt);
 int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata);
 int da8xx_register_emac(void);
 int da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata);

arch/arm/mach-davinci/usb.c

@@ -13,6 +13,8 @@
 #include <mach/usb.h>
 
 #define DAVINCI_USB_OTG_BASE	0x01c64000
+
+#define DA8XX_USB0_BASE 	0x01e00000
 #define DA8XX_USB1_BASE 	0x01e25000
 
 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
@@ -98,12 +100,45 @@ void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
 	platform_device_register(&usb_dev);
 }
 
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+static struct resource da8xx_usb20_resources[] = {
+	{
+		.start		= DA8XX_USB0_BASE,
+		.end		= DA8XX_USB0_BASE + SZ_64K - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= IRQ_DA8XX_USB_INT,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
+{
+	usb_data.clock  = "usb20";
+	usb_data.power	= mA > 510 ? 255 : mA / 2;
+	usb_data.potpgt = (potpgt + 1) / 2;
+
+	usb_dev.resource = da8xx_usb20_resources;
+	usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources);
+
+	return platform_device_register(&usb_dev);
+}
+#endif	/* CONFIG_DAVINCI_DA8XX */
+
 #else
 
 void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
 {
 }
 
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
+{
+	return 0;
+}
+#endif
+
 #endif  /* CONFIG_USB_MUSB_HDRC */
 
 #ifdef	CONFIG_ARCH_DAVINCI_DA8XX